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March 26, 2017

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Potassium cyanide (KCN) reacts with acids to produce the poisonous hydrogen cyanide gas, HCN, according to the reaction below:
KCN(aq) + HCl(aq) = HCN(g) + KCl(aq)
If a sample of 0.653 g of KCN is placed in an excess of HCl, how much HCN, in grams, is produced?

  • chemistry - ,

    Just follow the steps in this worked example.
    http://www.jiskha.com/science/chemistry/stoichiometry.html

  • chemistry - ,

    did u get the answer?

  • chemistry - ,

    i have this exact same problem and i cannot figure out the answer. can you please help?

  • chemistry - ,

    Follow the steps in the example.

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